redis-cluster master do not see slave after slave restart

[shcherbak]

slave done sync with success
12664:S 30 Mar 13:24:54.861 * MASTER <-> SLAVE sync: receiving 7905909006 bytes from master 12664:S 30 Mar 13:26:04.794 * MASTER <-> SLAVE sync: Flushing old data 12664:S 30 Mar 13:34:53.566 * MASTER <-> SLAVE sync: Loading DB in memory 12664:S 30 Mar 14:08:41.485 * MASTER <-> SLAVE sync: Finished with success

get master and slave pair
[vm]root@bo-redis-cluster-03:~$ redis-cli cluster nodes | grep 1f1d513cbd26155d090eca1f73f9158f88fa3228 1f1d513cbd26155d090eca1f73f9158f88fa3228 192.168.210.25:6379 myself,master - 0 0 16 connected 4096-8191 f6cd8954757873f4dce4e89b56b2c739fec7e6af 192.168.210.37:6379 slave 1f1d513cbd26155d090eca1f73f9158f88fa3228 0 1522418972468 16 connected

redis-cli info on master
# Replication role:master connected_slaves:1 slave0:ip=192.168.210.37,port=6379,state=wait_bgsave,offset=0,lag=0 master_repl_offset:30999806157 repl_backlog_active:1 repl_backlog_size:1048576 repl_backlog_first_byte_offset:30998757582 repl_backlog_histlen:1048576

redis-cli info on slave
master_host:192.168.210.25 master_port:6379 master_link_status:down master_last_io_seconds_ago:-1 master_sync_in_progress:1 slave_repl_offset:1 master_sync_left_bytes:-1 master_sync_last_io_seconds_ago:1 master_link_down_since_seconds:142 slave_priority:100 slave_read_only:1 connected_slaves:0 master_repl_offset:0 repl_backlog_active:0 repl_backlog_size:1048576 repl_backlog_first_byte_offset:0 repl_backlog_histlen:0